door hinge rebuild
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Junior User
Joined: Jun 2014
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door hinge rebuild
So my drivers door was showing signs of the hinges needing a rebuild. Upon disassembly I noticed that the upper pin was proud of the top of the hinge. I removed the pin and put in a replacement I got from NPD. My question is how "tight" are the hinges supposed to be? I can still notice a very small movement between the two parts of the hinge. The old pin doesn't show any excessive wear. And I'm thinking the slop was from the pin not fulling engaging the lower hole.I'm wondering if the holes should be reamed, and a larger diameter pin installed.
Fleet Mechanic
Joined: Jan 2014
Posts: 1,946
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I’m not aware of any replacement pins that fit the hinges...at least not for the 66. There are companies that machine-match the pins and rebuild the hinges, which is what I had done. If you can feel play in the hinge...in hand, then there certainly will be play when its in a “fixed”installation.
Cargo Master
Joined: Sep 2005
Posts: 2,954
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The hinge is loose because something is warn. I would guess the pin is harder than the hinge body, so it's likely most of the wear is in the body, not the pin. So replacing the pin without installing a fitted bushing doesn't seem like a cure to me.
Fleet Mechanic
Joined: Jan 2014
Posts: 1,946
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If there is wear, the holes through which the pin sits, are probably no longer round. Fitting bushings or even an oversize pin will involve machining the holes to proper interference fit and keeping the hinge components aligned. Yes, you can buy new hinges...they are imported.
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Junior User
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I'm happy with the lower hinge, it's tight. I've got a friend with a machine shop, so the plan is to have him turn some over sized pins, then ream out the hinge components to fit. Most things I've read on the re-pop hinges are they are junk, and would probably need to be tweaked anyway.
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Mountain Pass
Joined: Dec 2013
Posts: 109
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From: Central North Carolina
The pin is swagged in-place and shouldn't move so the part of the hinge that mounts to the cab could be have no wear. With new pins your buddy will only have to bush and ream the part that goes on the door which would be easier than making new pins. The pin diameter is 11/32, so I drilled out my hinges to 3/8 pressed a 3/8 x 5/16 bushing in the hinge and reamed to 11/32, then I added grease fittings so they won't have to be repaired again in 50 years.
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